gmat资料gwd-tn(17)

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1、GWD-TN-15:VerbalSection------------------------------------------------------------------------------------------------------------1.GWD21-Q1:Accordingtoanalysts,analliancebetweenthreemajorpersonalcomputercompaniesandmostofthenation’slargestlocaltelephone

2、companieswouldenablecustomerstoreceiveinternetdataoverregulartelephonelineswithspeedsmuchhigherthaniscurrentlypossible.A.withspeedsmuchhigherthanisB.withspeedsthataremuchhigherthanareC.atmuchhigherspeedsasareD.atmuchhigherspeedsthanthatE.atspeedsmuchhighe

3、rthanare------------------------------------------------------------------------------------------------------------2.GWD-18-Q11InnootherhistoricalsightingdidHalley’scometcausesuchaworldwidesensationasdiditsreturnin1910-1911.A.diditsreturnin1910-1911B.had

4、its1910-1911returnC.initsreturnof1910-1911D.itsreturnof1910-1911didE.itsreturnin1910-1911------------------------------------------------------------------------------------------------------------3.GWD21-Q3:HighwayOfficial:Whenresurfacingourconcretebridg

5、es,weshoulduseelectricallyconductiveconcrete(ECC)ratherthanstandardconcrete.Inthewinter,ECCcanbeheatedbypassinganelectriccurrentthroughit,therebypreventingicebuildup.Thecostoftheelectricityneededissubstantiallylowerthanthecostofthedeicingsaltwecurrentlyus

6、e.Taxpayer:ButconstructioncostsforECCaremuchhigherthanforstandardconcrete,soyourproposalisprobablynotjustifiableoneconomicgrounds.Whichofthefollowing,iftrue,couldbestbeusedtosupportthehighwayofficial’sproposalinthefaceofthetaxpayer’sobjection?A.Theuseofde

7、-icingsaltcausescorrosionofthereinforcingsteelinconcretebridgedecksanddamagetotheconcreteitself,therebyconsiderablyshorteningtheusefullifeofconcretebridges.B.Severeicingconditionscancausepoweroutagesandslowdowntheworkofemergencycrewstryingtogetpowerrestor

8、ed.C.Inweatherconditionsconducivetoicing,icegenerallyformsontheconcretesurfacesofbridgeswellbeforeitformsonpartsoftheroadwaythatgooversolidground.D.Asidefromitspotentialuseforde-icingbridges,ECCmightalsobeaneffectiv